Concrete & Masonry Saws

Maximum depth of cut is determined directly by blade diameter and gear housing clearance:

• 12-Inch Cut-Off Saws: Deliver a maximum cutting depth of approximately 3-3/4 inches to 4 inches in a single pass.
• 14-Inch Cut-Off Saws: Provide a maximum cutting depth of approximately 4-3/4 inches to 5 inches, making them the standard choice for cutting completely through standard 4-inch concrete slabs and 4-inch precast pavers.
• 16-Inch Cut-Off Saws: Achieve up to 5-3/4 inches of cutting depth for deep curb and thick conduit trenching.

While circular cut-off saws cut quickly, their round blade shape creates an overcut (the blade penetrates further on the top surface than the bottom). To make a clean 90-degree corner without overcutting into adjacent structural walls, you would have to stop short and hand-chisel the remaining concrete. A diamond concrete chain saw plunges straight into the wall, allowing you to cut exact, square-cornered window and door openings up to 25 inches deep with zero overcut.

Early-entry concrete saws (such as Soff-Cut systems) are walk-behind saws engineered to cut control relief joints into freshly poured concrete:

• Timing: Cuts are made within 1 to 4 hours after slab finishing (while the concrete is still "green"), long before traditional wet saws can step onto the slab without raveling the edges.
• Anti-Ravel Skid Plate: Uses an upward-rotating diamond blade paired with a spring-loaded skid plate that applies downward pressure over the cut line, preventing joint chipping, spalling, and random stress cracking as the slab hydrates.

OSHA standard 1926.1153 requires strict engineering controls when cutting materials containing crystalline silica:

• Wet Cutting: Handheld saws must be connected to a continuous pressurized water feed supply that wets the cut line continuously to suppress airborne dust cloud generation.
• Integrated Vacuum Systems: For dry masonry cutting (such as iQ Power Tools block saws), the tool must feature an integrated, factory-tested shroud and cyclonic HEPA dust extractor that collects dust directly at the blade enclosure.

In North America, standard commercial handheld cut-off saws use a 1-inch (25.4mm) arbor or a 20mm arbor:

• Multi-Arbor Knockouts: Many premium diamond blades feature a 1-inch arbor hole equipped with a removable 20mm brass adapter bushing, allowing the same blade to fit both standard gas saws (20mm) and electric/cordless saws (1-inch). Always verify arbor sizing before mounting to prevent blade wobble.

Wet concrete slurry hardens like cement inside tool housings if left to dry:

• Rinse Water Lines: Flush clean water through the saw's internal water feed tubes at the end of every shift to prevent concrete sediment from clogging internal spray nozzles.
• Clean Guard Housings: Hose out wet slurry buildup from underneath the aluminum blade guard before it hardens. Caked slurry increases drag against the rotating blade arbor.
• Air Filter Care (Gas Saws): Inspect multi-stage foam and paper air filters daily; concrete dust acts like fine sandpaper against engine cylinder walls if pulled into the carburetor.

As an authorized stocking commercial distributor and equipment service partner, Ohio Power Tool carries a comprehensive selection of concrete tooling. We maintain deep regional field stock on Milwaukee MX FUEL™ 14" cut-off saws, DeWalt POWERSHIFT™ saws, ICS diamond concrete chain saws, iQ Power Tools dustless block saws, Husqvarna Soff-Cut early entry saws, wet tile saws, and professional diamond blades (12" to 36") to keep your concrete, masonry, and demolition crews working efficiently.